Designer Stefan Dukaczewski's sneakers join the line of wearable Wi-Fi detectors next to the T-shirt and wristwatch, winning the title of strangest so far. Based on Nike Dunk shoes, the prototype—dubbed A Step in the Right Direction—has an 802.11 detector under the flap on the left shoe, with a discrete three-LED… »5/01/08 5:52am 5/01/08 5:52am